Which of the Following Statements Is False

question 44

Multiple Choice

Which of the following statements is false?

• A) Spark was initially developed in 2009 at U. C. Berkeley and funded by xe "DARPA (the Defense Advanced Research Projects Agency)"DARPA (the Defense Advanced Research Projects Agency).
• B) Spark was created as a distributed execution engine for high-performance natural language processing.
• C) Spark uses an in-memory architecture that "has been used to sort 100 TB of data 3X faster than Hadoop MapReduce on 1/10th of the machines" and runs some workloads up to 100 times faster than Hadoop.
• D) Spark's significantly better performance on batch-processing tasks is leading many companies to replace Hadoop MapReduce with Spark.

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Definitions:

Non-directional Hypothesis

A hypothesis that does not predict the specific direction of the difference or relationship, only that one exists.

T-statistic

A statistic calculated from sample data used to assess the plausibility of the null hypothesis in t-tests.

Standard Error

The typical deviation found in the distribution of sample statistics, often referring to the mean.

T-statistic

A type of statistic used in hypothesis testing, determined by the difference between the sample mean and the population mean divided by the standard error.